stagefright: Squashed commit of pause/resume features

Add 2 APIs (suspend/resume) in MediaPlayer

- API:suspend() will just pause the player and release all the decoders
  to replace release() which will release the whole player
- API:resume() will just init the decoders again,
  then start() will be called to restart streaming playback
- Add a check in AwesomePlayer::onVideoEvent()
  to make sure the first seek operation will always seek to the next
  i-frame

Change-Id: Ie4c82906a2a056378119921a656128ebdc1007c4

audio: Add pause support for hardware omx component

- ADSP doesn't enter sleep state after wma playback is paused
  and power suspended.
- No support for NT session pause in case of hardware component.
  NT session need to be paused to put ADSP into power collapse.
- Add support of pause in stagefright to ensure device enters
  suspend mode. Also add intermediate states to avoid concurrency
  issues between read and pause.

Change-Id: I41b946b8c8805e6ee303646b63513b5b16514ef6

libstagefright: Drain input buffer on resume

- Buffers returned from codec in paused state are not drained. When
codec is resumed these buffers are not drained until the next flush,
and may cause timed out issue.
- Added change to drain input buffers for sw decoders when resuming.

Change-Id: Ida2ab1d5dc3a1910accdd6fb89548262a912d8e7
CRs-Fixed: 569585, 574967

libstagefright: camcorder pause-resume implementation

- Add pause resume feature in camcorder app. So that
  user can pause recording and resume later which results
  in a single recorded clip.

Change-Id: Id19c45ae5bb85265aa4d5304b160ebf119d9575a

libstagefright: support pause/resume for timelapse recording

  Modify the timestamp calculation mechanism in CameraSourceTimeLapse
  in order to support pause/resume.

Change-Id: Icb02ea798b0b807ffb7ada2d1ef5b2414b74edfb

1 files changed, 5 insertions, 0 deletions

diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h
index d2ff62d..26c5582 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.h
+++ b/media/libmediaplayerservice/StagefrightRecorder.h
@@ -60,6 +60,7 @@ struct StagefrightRecorder : public MediaRecorderBase {
     virtual status_t setParameters(const String8& params);
     virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
     virtual status_t setClientName(const String16& clientName);
+    virtual status_t setSourcePause(bool pause);
     virtual status_t prepare();
     virtual status_t start();
     virtual status_t pause();
@@ -80,6 +81,9 @@ protected:
     String16 mClientName;
     uid_t mClientUid;
     sp<MediaWriter> mWriter;
+    sp<MediaSource> mVideoEncoderOMX;
+    sp<MediaSource> mAudioEncoderOMX;
+    sp<MediaSource> mVideoSourceNode;
     int mOutputFd;
     sp<AudioSource> mAudioSourceNode;
 
@@ -123,6 +127,7 @@ protected:
     MediaProfiles *mEncoderProfiles;
 
     bool mStarted;
+    bool mRecPaused;
     // Needed when GLFrames are encoded.
     // An <IGraphicBufferProducer> pointer
     // will be sent to the client side using which the